Light

Front

What is light?

Back

Light is a form of energy that travels in waves and can be seen by the human eye.

Front

What does it mean for a material to be transparent?

Back

A transparent material allows light to pass through it without scattering, so objects behind it can be seen clearly.

Front

What does it mean for a material to be opaque?

Back

An opaque material does not allow light to pass through it, blocking visibility of objects behind it.

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface, such as a mirror.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one material to another, changing its speed.

Front

What is absorption in terms of light?

Back

Absorption is when light is taken in by a material and converted to other forms of energy, such as heat.

Front

What is the difference between transparent and translucent materials?

Back

Transparent materials allow clear visibility through them, while translucent materials allow some light to pass but scatter it, making objects behind them appear blurry.

Front

What happens to light when it hits a colored surface?

Back

The colored surface absorbs some wavelengths of light and reflects others, which is why we see the color.

Front

What is the role of the sun in providing warmth on a sunny day?

Back

The sun’s light energy turns into heat when it hits our skin, making us feel warm.

Front

What is an example of a transparent material?

Back

Clear plastic is an example of a transparent material.